The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52.

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

When one thinks of the Arduino Uno, one thinks of a capable 8-bit microcontroller platform that nonetheless doesn’t set the world alight with its performance. Unlike more modern parts like th… ...

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.

DIY star tracker built using Arduino Uno. 12:59 pm January 20, 2023 By Julian Horsey . Astronomy enthusiasts looking for a new project to keep them busy, ...

Features only on Uno R4 WiFi (right) and not on Uno Minima. Wi-Fi 2.4GHz 802.11b/g/n up to 150Mbit/s Bluetooth 5 Built-in antenna 12 x 8 LED matrix Qwicc-style connector for 3V3 I 2 C – additional ...

Microcomputers such as Raspberry Pi, Pine A64 and Arduino have emerged to help DIY enthusiasts build computers and computer-based devices. Here is an up-close look at these three products.

As electronic devices got more complicated in the past few decades, it became increasingly difficult and expensive to tinker with hardware. The 1970s garage engineers who built their own computers ...